player_collision SCRIPT

/// player_collision SCRIPT


var _collision = false;
var _bbox_x_side;
var _bbox_y_side;

if (x_speed > 0) { _bbox_x_side = bbox_right; } else { _bbox_x_side = bbox_left; }
if (y_speed > 0) { _bbox_y_side = bbox_bottom; } else { _bbox_y_side = bbox_top; }

if (tilemap_get_at_pixel(collision_map, _bbox_x_side + x_speed, bbox_top) != 0)
or (tilemap_get_at_pixel(collision_map, _bbox_x_side + x_speed, bbox_bottom) != 0)
    {
    if (x_speed > 0) { x = x - (x mod tile_size) + (tile_size - 1) - (bbox_right - x); }
    else { x = x - (x mod tile_size) - (bbox_left - x); }
    x_speed = 0;
    _collision = true;
    }

if (tilemap_get_at_pixel(collision_map, bbox_left, _bbox_y_side + y_speed) != 0)
or (tilemap_get_at_pixel(collision_map, bbox_right, _bbox_y_side + y_speed) != 0)
    {
    if (y_speed > 0) { y = y - (y mod tile_size) + (tile_size - 1) - (bbox_bottom - y); }
    else { y = y - (y mod tile_size) - (bbox_top - y); }
    y_speed = 0;
    _collision = true;
    }


// Commit movements
x += x_speed;
y += y_speed;

return _collision;